<MduiRow BreakpointXs="@Breakpoint.Xs.xs2">
    <MduiCol>
        <MduiButton Block>Button</MduiButton>
    </MduiCol>
    <MduiCol>
        <MduiButton Block DisableRaised Color="@Colors.Theme.Accent">Button</MduiButton>
     </MduiCol>
 </MduiRow>